<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style>
#div001 {
		background-color:#399;
		width:700px;
		height:200px;
		float:left;
		margin-bottom: 20px;
		
			}	
	#div002 {
		background-color:#66F;
		width:120px;
		height:500px;
		float:left;
		margin-right: 25px;
		
			}	
	#div003 {
		background-color:#C9F;
		width:400px;
		height:500px;
		float:left;
		
			}	
	#div004 {
		background-color:#66F;
		width:120px;
		height:500px;
		float:left;
		margin-left: 25px;	}
		
    #div005 {
		background-color:#399;
		width:700px;
		height:200px;
		float:left;
        margin-top: 20px;
		
			}	
			
				
	#dog {width:700px;}
</style>



</head>

<body>
<div id="dog">
  	<div id="div001"></div>
    <div id="div002"></div>
    <div id="div003"></div>
    <div id="div004"></div>
    <div id="div005"></div>

</body>
</html>
